This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A126824 #9 Jan 05 2025 01:07:38 %S A126824 1,16360,252,14912,4830,10336,16024,2560,1045,15152,10324,5888,12086, %T A126824 8640,4744,4096,8114,7688,11820,896,7584,14368,14664,6144,10663,4848, %U A126824 6552,5632,5222,832,11616,0,12976,1872,14288,1856,9534,11232,14632,11264,2938,14592 %N A126824 Ramanujan numbers (A000594) read mod 16384. %D A126824 Oddmund Kolberg, Congruences for Ramanujan's Function ̈tau(n), Univ. Bergen Årbok Naturvit Rekke, No. 11, 1962. %H A126824 Amiram Eldar, <a href="/A126824/b126824.txt">Table of n, a(n) for n = 1..10000</a> %H A126824 H. P. F. Swinnerton-Dyer, <a href="http://dx.doi.org/10.1007/978-3-540-37802-0_1">On l-adic representations and congruences for coefficients of modular forms</a>, pp. 1-55 of Modular Functions of One Variable III (Antwerp 1972), Lect. Notes Math., 350, 1973. %F A126824 a(n) == 705 * sigma_11(n) (mod 16384) for n == 7 (mod 8) (Kolberg, 1962). - _Amiram Eldar_, Jan 05 2025 %t A126824 a[n_] := Mod[RamanujanTau[n], 16384]; Array[a, 100] (* _Amiram Eldar_, Jan 05 2025 *) %o A126824 (PARI) a(n) = ramanujantau(n) % 16384; \\ _Amiram Eldar_, Jan 05 2025 %Y A126824 Cf. A000594, A013959. %K A126824 nonn %O A126824 1,2 %A A126824 _N. J. A. Sloane_, Feb 25 2007